Simpson, Laurence P., author
West Publishing, 1954
Buku Teks
Bernacchi, Richard L., author
Brown and Company, 1974
Buku Teks
Kunz, Christina L., author
West Publishing, 2013
Buku Teks
Kunz, Christina L., author
West Publishing, 2010
Buku Teks
R. Subekti, 1914-, author
Haji Masagung, 1989
Buku Teks